  <!--

  var backImage = new Array(); 
  var imgindex = 0;

   backImage[0] = "pictures/greyblur.jpg";
  backImage[1] = "pictures/altback1.jpg";
  backImage[2] = "pictures/altback2.jpg";
  backImage[3] = "pictures/altback3.jpg";
  backImage[4] = "pictures/altback4.jpg";
  backImage[5] = "pictures/altback5.jpg";
  backImage[6] = "pictures/altback6.jpg";
  backImage[7] = "pictures/altback7.jpg";
  backImage[8] = "pictures/altback8.jpg";
  backImage[9] = "pictures/altback9.jpg";
  backImage[10] = "pictures/altback10.jpg";
  backImage[11] = "pictures/altback11.jpg";
  backImage[12] = "pictures/altback12.jpg";
  backImage[13] = "pictures/altback13.jpg";
  backImage[14] = "pictures/altback14.jpg";
  backImage[15] = "pictures/altback15.jpg";
  backImage[16] = "pictures/altback16.jpg";
  backImage[17] = "pictures/altback17.jpg";
  backImage[18] = "pictures/altback18.jpg";
  backImage[19] = "pictures/altback19.jpg";
  backImage[20] = "pictures/altback20.jpg";
  backImage[21] = "pictures/altback21.jpg";
  backImage[22] = "pictures/altback22.jpg";
  backImage[23] = "";

  //-----------------------------

  function changeBGImage(){
  if (document.body){
    ++imgindex;
    if (imgindex > 23){
        imgindex  = 0;
    }

  document.body.background = backImage[imgindex];
  }
  }

  //-->